NOVA ScienceNOW
Journey Through the Center of the Earth
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Ever wonder what would happen if you dug a whole from one side of the Earth, through the center, out the other side, and then jumped in?
Unsolved Problems

Our series host loves puzzles—they're fun and challenging. And to him, the greatest of these puzzles of all are the laws of the universe.
Tiny Things of Great Import

The study of the smallest particles offers insight into the biggest event that ever was, the birth of the universe.
Aging Stars

Do all stars live to the same age? Are some immortal? Learn about aging in the cosmos.
Looking Back in Time

How can light show us the history of the universe?
NOVA ScienceNOW: Extinctions
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NOVA scienceNOW producer Joe McMaster asks our series host, Neil deGrasse Tyson, why everyone should know about the Permian extinction.
Asteroid Impacts and Extinction

Find out why we can't live with asteroids and we can't live without 'em.
Dr. Tyson: How's the Universe Today?
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Taking questions about the state of the universe from people in the neighborhood.
Manhattanhenge
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Perched over 42nd Street, NOVA scienceNOW host Neil deGrasse Tyson is eager to show you his hometown's own version of a Stonehenge magic moment. See it in this video.
The Cosmic Office
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Sputnik dolls? Planet-shaped pineapple? Neil deGrasse Tyson, the new host of NOVA scienceNOW, has a stellar collection of space-themed souvenirs. See them in this video.
